adjtimex.2: Add featute test macro requirements

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2014-05-20 07:11:44 +02:00
parent 37565883e0
commit 5918743bc8
1 changed files with 4 additions and 1 deletions

View File

@ -38,9 +38,12 @@
.SH NAME .SH NAME
adjtimex \- tune kernel clock adjtimex \- tune kernel clock
.SH SYNOPSIS .SH SYNOPSIS
.nf
.BR "#define _BSD_SOURCE" " /* See feature_test_macros(7) */"
.B #include <sys/timex.h> .B #include <sys/timex.h>
.sp
.BI "int adjtimex(struct timex *" "buf" ); .BI "int adjtimex(struct timex *" "buf" );
.fi
.SH DESCRIPTION .SH DESCRIPTION
Linux uses David L. Mills' clock adjustment algorithm (see RFC\ 1305). Linux uses David L. Mills' clock adjustment algorithm (see RFC\ 1305).
The system call The system call